0 — Test 603

Correct Answer: A. ^
Explanation: 2 ^ 3 = 8. In C++, ^ is bitwise XOR, which is a common source of mistakes.

Correct Answer: B. <>
Explanation: != is used in C, C++, C#, Python, and JavaScript.

Correct Answer: B. 5 times; i = 11
Explanation: i takes the values 1, 3, 5, 7, and 9. The final increment to 11 makes the loop exit. ALSO KNOW (related points): • When is the body of a VB Do ... Loop While condition loop guaranteed to run at least once? → Always, because the condition is tested at the end • What does a Do Until x > 10 ... Loop loop do? → It repeats while x > 10 is False, and stops once it becomes True

Correct Answer: C. 12
Explanation: Val reads leading numeric characters and stops at the first non-numeric one. Val("abc") returns 0. ALSO KNOW (related points): • What does InStr("Hello", "l") return in VB? → 3 • What does Val("1 2 3") return in VB? → 123

Correct Answer: C. "kist"
Explanation: VB string positions are 1-based. Mid takes 4 characters starting at position 3. ALSO KNOW (related points): • What does InputBox return when the user clicks Cancel? → An empty string ("")

Correct Answer: A. 3
Explanation: InStr returns a 1-based position, or 0 if the substring is not found. (Python's find would return 2.)

Correct Answer: A. Caption in VB6; Text in VB.NET
Explanation: VB6 Form and CommandButton controls also used Caption. VB.NET standardized on Text.

Correct Answer: D. Milliseconds
Explanation: An Interval of 1000 fires roughly once per second.

Correct Answer: A. Resizing an array while keeping its data, but only the last dimension can be changed
Explanation: Shrinking an array with Preserve discards the elements that fall outside the new bounds.

Correct Answer: B. No; myVar and MYVAR are the same identifier
Explanation: The IDE automatically adjusts case to match the declaration.